To make a box 3 inches deep, Tavon removes a 3-inch by 3-inch square from each corner of an x-inch by x-inch square of cardboard. Write a quadratic function A in standard form to model the area of the remaining cardboard after the corners are removed. Justify your answer.​

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.